CN217319827U

CN217319827U - Quick mounting and adjusting mechanism for printing head

Info

Publication number: CN217319827U
Application number: CN202220551860.4U
Authority: CN
Inventors: 王治国; 李芳�
Original assignee: HENAN WODAFENG DIGITAL TECHNOLOGY CO LTD
Current assignee: HENAN WODAFENG DIGITAL TECHNOLOGY CO LTD
Priority date: 2022-03-15
Filing date: 2022-03-15
Publication date: 2022-08-30
Anticipated expiration: 2032-03-15

Abstract

The utility model provides a quick installation and adjustment mechanism for a printing head, which belongs to the technical field of parts of a thermal printer and comprises a printing head component and a mounting plate for installing the printing head component, wherein a positioning piece is arranged in the middle between the printing head component and the mounting plate, and an adjusting component which is arranged between the printing head component and the mounting plate and used for dividing the two sides of the positioning piece and driving the front and the back adjustment of the printing head component is arranged; the utility model discloses convenient installation thermal print head in the narrow and small space of printer adjusts thermal print head around being convenient for thermal print head's plane is tangent with the rubber roll.

Description

Quick mounting and adjusting mechanism for printing head

Technical Field

The utility model relates to a thermal printer spare part technical field, concretely relates to beat quick installation guiding mechanism of printer head.

Background

The thermal printer is widely applied to the fields of supermarkets, markets, telecommunications, hospitals and the like, and adopts thermal roll paper as a printing medium to print transaction certificates for customers. The heat-sensitive paper is formed by sequentially laminating base paper, a bottom coating, a heat-sensitive coating and a protective layer, and the continuous heat-sensitive paper is wound on the core cylinder to form heat-sensitive roll paper.

The thermal printing head in the thermal printer can be detached, so that the maintenance and the replacement are convenient, the plane of the thermal printing head needs to be ensured to be tangent to the rubber roller in the installation process of the thermal printing head, the interference is generated due to the small space in the installation process of the thermal printing head, the position adjustment is not convenient to realize, and the working difficulty of maintenance personnel is improved.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a beat quick installation guiding mechanism of printer head, the printer head is beaten to convenient installation heat sensitive in the narrow and small space of printer, and the quick printer head of fine setting around being convenient for the plane that the heat sensitive printer head was beaten is tangent with the rubber roll.

In order to solve the technical problem, the utility model provides a beat printer head quick installation guiding mechanism, include the printer head subassembly and be used for installing the mounting panel of printer head subassembly, department is equipped with the setting element in the middle of between printer head subassembly and the mounting panel, be equipped with the separation between printer head subassembly and the mounting panel setting element both sides and drive the adjusting part who beats printer head subassembly preceding, back regulation.

Further, the print head assembly comprises a thermal print head and a connecting plate for mounting the thermal print head.

Furthermore, the locating piece is a big head screw, a threaded hole matched with the big head screw is formed in the center of the upper surface of the connecting plate, and a waist hole corresponding to the threaded hole is formed in the center of the flat plate of the mounting plate.

Further, the upper surface of connecting plate is equipped with U type groove, adjusting part is including setting up the positioning adjustment piece in U type inslot and the adjusting screw who transversely runs through the positioning adjustment piece, be equipped with horizontal through-hole on the positioning adjustment piece, adjusting screw upper cover has been put reset adjusting spring and is in U type inslot, be equipped with the screw thread regulation hole coaxial with adjusting screw on the side in U type groove, spacing cooperation between positioning adjustment piece and the mounting panel.

Furthermore, the upper surface of the positioning adjusting block is provided with a positioning convex block, and the lower surface of the mounting plate is provided with a positioning hole correspondingly matched with the positioning convex block.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:

1. the utility model discloses realize convenient installation thermal print head in the narrow and small space of printer, be convenient for adjust thermal print head around, be convenient for micro-adjustment for thermal print head's plane is tangent with the rubber roll.

2. The utility model discloses a screwdriver cooperation is twisted wrong adjusting screw, revolves wrong adjusting screw through forward and reverse, and then realizes driving the front-back adjustment of the both sides that the thermal printing head was beaten to the temperature sensing, and easy operation is convenient, reduces the installation degree of difficulty that the thermal printing head was beaten, improves work efficiency.

Drawings

FIG. 1 is a schematic structural view of a quick mounting adjustment mechanism for a printhead according to the present invention;

FIG. 2 is a second schematic structural view of the quick mounting adjustment mechanism for a printhead according to the present invention;

fig. 3 is a schematic structural view of a printhead assembly according to the present invention;

FIG. 4 is an enlarged view of a portion of area A of FIG. 3;

fig. 5 is a schematic structural view of the middle positioning adjusting block of the present invention.

Fig. 6 is a schematic structural diagram of the middle mounting plate of the present invention.

1. A connecting plate; 10. a threaded hole; 11. a U-shaped groove; 12. an adjustment assembly; 121. positioning an adjusting block; 1211. a through hole; 1212. positioning the bump; 122. an adjusting screw; 123. a return adjusting spring; 13. a threaded adjustment hole;

2. a thermal print head;

3. mounting a plate; 31. a waist hole; 32. positioning holes;

4. a positioning member.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 6 of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.

As shown in fig. 1-2: the utility model provides a beat quick installation guiding mechanism of printer head, includes printer head subassembly and the mounting panel 3 that is used for installing printer head subassembly, department is equipped with setting element 4 in the middle of between printer head subassembly and the mounting panel 3, be equipped with between printer head subassembly and the mounting panel 3 and divide 4 both sides of setting element and drive the adjusting part 12 that the printer head subassembly was adjusted before, after.

The printing head assembly comprises a thermal printing head 2 and a connecting plate 1 for mounting the thermal printing head 2.

The positioning piece 4 is a big head screw, a threaded hole 10 matched with the big head screw is formed in the center of the upper surface of the connecting plate 1, and a waist hole 31 corresponding to the threaded hole 10 is formed in the center of the flat plate of the mounting plate 3.

When the thermal printing head 2 is adjusted, the positioning part 4 is used for pre-positioning, and then the adjusting component 12 is used for driving the front and back adjustment of the two sides of the thermal printing head 2, so that the operation is simple and convenient, the installation difficulty of the thermal printing head 2 is reduced, and the working efficiency is improved.

According to one embodiment of the present invention, as shown in figures 3-6,

the upper surface of the connecting plate 1 is provided with a U-shaped groove 11, the adjusting assembly 12 comprises a positioning adjusting block 121 arranged in the U-shaped groove 11 and an adjusting screw 122 transversely penetrating through the positioning adjusting block 121, a transverse through hole 1211 is formed in the positioning adjusting block 121, a reset adjusting spring 123 and a reset adjusting spring 123 are sleeved on the adjusting screw 122 and are located in the U-shaped groove 11, a thread adjusting hole 13 coaxial with the adjusting screw 122 is formed in the side face of the U-shaped groove 11, and the positioning adjusting block 121 is in limit fit with the mounting plate 3.

The upper surface of the positioning adjusting block 121 is provided with a positioning protrusion 1212, and the lower surface of the mounting plate 3 is provided with a positioning hole 32 correspondingly matched with the positioning protrusion 1212.

When the adjusting assembly 12 is adjusted, the adjusting screws 122 are screwed forward and backward, so that the thermal printing head 2 is driven to adjust back and forth on two sides, and the adjusting process is quick and convenient.

The utility model discloses a working method: during specific installation, place the printhead assembly in the below of mounting panel 3 and make the positioning lug 1212 correspond the cooperation go into locating hole 32 for positioning adjustment block 121 is fixed for mounting panel 3, then make setting element 4, the big head screw is vertical to run through waist hole 31, and stretch into in the screw hole 10, then twist nevertheless not tighten, make printhead assembly connect in mounting panel 3 below, and both ends can the fore-and-aft swing.

In the specific adjusting process, the positioning adjusting block 121 is fixed at the end opening of the U-shaped groove 11, the nut of the adjusting screw 122 is attached to the outer side surface of the positioning adjusting block 121, the side surface of the nut of the adjusting screw 122 is provided with a notch matched with a screwdriver in an upward direction, when the screw is screwed forward, the adjusting screw 122 is screwed into the threaded adjusting hole 13, the positioning adjusting block 121 is fixed, the adjusting screw 122 is not moved, and when the adjusting screw is screwed in, one end of the adjusting component is driven to move to the side close to the human body, this process further compresses return adjustment spring 123, and when it is rotated in the reverse direction, adjustment screw 122 is rotated out of threaded adjustment hole 13, and during this rotation, the cap of adjustment screw 122 moves away from positioning adjustment block 121, and at this time, under the action of the restoring force of the reset adjusting spring 123, the printing head assembly is pushed to move away from the human body, meanwhile, the nut of the adjusting screw 122 is attached to the outer side surface of the positioning adjusting block 121 to realize adjustment. In the initial state of the adjusting assembly 12, the adjusting spring 123 is returned to the compressed state.

After the two ends of the printing head assembly are adjusted, the positioning piece 4, namely a big head screw, is screwed so that the printing head assembly is fixedly connected with the mounting plate 3.

The whole adjusting process belongs to fine adjustment, and correction and adjustment can be conveniently realized in a narrow space state, so that the plane of the thermal printing head is tangent to the rubber roller.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate medium, and may be used for communicating the inside of two elements or for interacting with each other, unless otherwise specifically defined, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to the specific circumstances.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a beat quick installation guiding mechanism of printer head which characterized in that: including the printing head subassembly with be used for installing mounting panel (3) of printing head subassembly, department is equipped with setting element (4) in the middle of between printing head subassembly and mounting panel (3), be equipped with between printing head subassembly and mounting panel (3) and separate and live in setting element (4) both sides and drive the adjusting part (12) of adjusting before the printing head subassembly, back.

2. A printhead quick mount adjustment mechanism as claimed in claim 1, wherein: the printing head assembly comprises a thermal printing head (2) and a connecting plate (1) for mounting the thermal printing head (2).

3. A printhead quick mount adjustment mechanism as claimed in claim 2, wherein: the locating piece (4) is a big head screw, the upper surface center of the connecting plate (1) is provided with a threaded hole (10) matched with the big head screw, and the flat plate center of the mounting plate (3) is provided with a waist hole (31) corresponding to the threaded hole (10).

4. A printhead quick mount adjustment mechanism as claimed in claim 3 wherein: the upper surface of connecting plate (1) is equipped with U type groove (11), adjusting part (12) including set up positioning adjustment piece (121) in U type groove (11) and transversely run through adjusting screw (122) of positioning adjustment piece (121), be equipped with horizontal through-hole (1211) on positioning adjustment piece (121), adjusting screw (122) are gone up the cover and have been put reset adjusting spring (123) and be in U type groove (11), be equipped with on the side of U type groove (11) with adjusting screw (122) coaxial thread adjusting hole (13), spacing cooperation between positioning adjustment piece (121) and mounting panel (3).

5. The printhead quick mount adjustment mechanism of claim 4, wherein: the upper surface of location regulating block (121) is equipped with location lug (1212), the lower surface of mounting panel (3) is equipped with and corresponds complex locating hole (32) with location lug (1212).